28470005898 has 8 divisors (see below), whose sum is σ = 56940011808. Its totient is φ = 9490001964.

The previous prime is 28470005873. The next prime is 28470005909. The reversal of 28470005898 is 89850007482.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

28470005898 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 28470005898.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372500486 + ... + 2372500497.

It is an arithmetic number, because the mean of its divisors is an integer number (7117501476).

Almost surely, 2^28470005898 is an apocalyptic number.

28470005898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28470005898 is a wasteful number, since it uses less digits than its factorization.

28470005898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745000988.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 28470005898 in words is "twenty-eight billion, four hundred seventy million, five thousand, eight hundred ninety-eight".